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  <title>小二郎智能手表</title>
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  <div class="box">1. 智能手表使用教程</div>
  <video controls src="https://sunzi-cn.oss-cn-hangzhou.aliyuncs.com/archive/designer/202459/366bd334-eeae-4439-aa87-17368800f955-0.mp4" autoplay></video>

  <div class="box">2. 小二郎智能手表使用讲解</div>
  <video controls src="https://sunzi-cn.oss-cn-hangzhou.aliyuncs.com/archive/designer/202459/366bd334-eeae-4439-aa87-17368800f955-0.mp4"></video>

  <div class="box">3. 使用教程</div>
  <video controls src="https://sunzi-cn.oss-cn-hangzhou.aliyuncs.com/archive/designer/202459/366bd334-eeae-4439-aa87-17368800f955-0.mp4"></video>
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